Finding the Fourth Proportional to 743,091.68, 1,025,466.72 and 403,559.84

Step by Step Solution

1. Step 1: Write the proportion equation
   743,091.68 : 1,025,466.72 = 403,559.84 : x
2. Step 2: Convert to fraction form
   743,091.68/1,025,466.72 = 403,559.84/x
3. Step 3: Cross multiply
   743,091.68x = 1,025,466.72 × 403,559.84
4. Step 4: Simplify right side
   743,091.68x = 413,837,185,448.53
5. Step 5: Solve for x
   x = 413,837,185,448.53/743,091.68
6. Step 6: Final answer
   x = 556,912.69